package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.common.vo.MemberRespVo;
import com.atguigu.gulimall.auth.vo.SocialUser;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.HashMap;

/**
 * @Author : Jungle
 * @Description :  社交登录成功回调
 */
@Slf4j
@Controller
public class OAuth2Controller {
    @Autowired
    private MemberFeignService memberFeignService;

    @GetMapping("/oauth2.0/weibo/success")
    public String weibo(@RequestParam("code") String code, HttpSession session, HttpServletResponse servletResponse, HttpServletRequest request) throws Exception {
        HashMap<String, String> headers = new HashMap<>();
        HashMap<String, String> querys = new HashMap<>();
        HashMap<String, String> map = new HashMap<>();
        map.put("client_id", "1234340891");
        map.put("client_secret", "446d2b02a6b051a5184c7b9809a9a0c2");
        map.put("grant_type", "authorization_code");
        map.put("redirect_uri", "http://auth.gulimall.com/oauth2.0/weibo/success");
        map.put("code", code);
        //1、根据code换取AccessToken
        HttpResponse response = HttpUtils.doPost("https://api.weibo.com",
                "/oauth2/access_token", "post", headers, querys, map);
        //2、处理

        if (response.getStatusLine().getStatusCode() == 200) {
            String json = EntityUtils.toString(response.getEntity());
            SocialUser socialUser = JSON.parseObject(json, SocialUser.class);
            //    获取到accessToken

            //知道了当前是哪个社交用户
            //  1)、当前用户如果是第一次进网站，自动注册进来（为当前社交用户生成一个会员信息账号，以后这个社交账号就对应指定的会员）
            //    登录或者注册这个社交用户
            R oauthlogin = memberFeignService.oauthlogin(socialUser);
            if (oauthlogin.getCode() == 0) {
                MemberRespVo data = oauthlogin.getData(new TypeReference<MemberRespVo>() {
                });
                System.out.println("登录成功 用户信息" + data);
                log.info("==>{}",data);
                //1、第一次使用session，命令浏览器保存卡号  JSESSIONID 这个cookie
                //2、以后浏览器访问哪个网站就会带上这个网站的cookie
                //子域名之间：gulimall.com  auth.gulimall.com    order.gulimall.com
                //发卡的时候(指定域名为父域名)即使是子域发的卡也能让父域名直接使用
                // TODO: 2022/7/24 1、默认发的令牌，SESSION=dsdajkdj  作用域：当前域 ：（解决子域session共享问题）
                // TODO: 2022/7/24 2、使用json的序列化方式来序列化对象数据到redis中
                session.setAttribute(AuthServerConstant.LOGIN_USER,data);
                //new Cookie("JSESSIONID", "daddd").setDomain("gulimall.com");
                //servletResponse.addCookie();
                // 登录成功后跳回首页
                return "redirect:http://gulimall.com";
            } else {
                //返回登录页
                return "redirect:http://auth.gulimall.com/login.html";
            }
        } else {
            return "redirect:http://auth.gulimall.com/login.html";
        }
    }
}
